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	<div id="root"><div class="documentation-page" data-reactroot=""><header class="header-container header-container-normal"><div class="header-body"><a href="/en-us/index.html"><img class="logo" src="/pic/icon_name_black.png"/></a><div class="search search-normal"><span class="icon-search"></span></div><span class="language-switch language-switch-normal">中</span><div class="header-menu"><img class="header-menu-toggle" src="/img/system/menu_gray.png"/><ul><li class="menu-item menu-item-normal"><a href="/en-us/index.html" target="_self">HOME</a></li><li class="menu-item menu-item-normal menu-item-normal-active"><a href="/zh-cn/docs/README.html" target="_self">DOCS</a></li></ul></div></div></header><div class="bar"><div class="bar-body"><img src="/img/system/docs.png" class="front-img"/><span>Documentation</span><img src="/img/system/docs.png" class="back-img"/></div></div><section class="content-section"><div class="sidemenu"><div class="sidemenu-toggle"><img src="https://img.alicdn.com/tfs/TB1E6apXHGYBuNjy0FoXXciBFXa-200-200.png"/></div><ul><li class="menu-item menu-item-level-1"><span>使用文档</span><ul><li style="height:36px;overflow:hidden" class="menu-item menu-item-level-2"><a href="/zh-cn/docs/README.html" target="_self">介绍</a></li><li style="height:36px;overflow:hidden" class="menu-item menu-item-level-2"><a href="/zh-cn/docs/FASTSTART.html" target="_self">快速开始</a></li><li style="height:36px;overflow:hidden" class="menu-item menu-item-level-2"><a href="/zh-cn/docs/update.html" target="_self">版本升级</a></li><li style="height:36px;overflow:hidden" class="menu-item menu-item-level-2"><a href="/zh-cn/docs/HELP.html" target="_self">后台使用指南</a></li></ul></li></ul></div><div class="doc-content markdown-body"><h1 id="demo-for-reference-of-md-or-image-for-relative-path">demo for reference of md or image for relative path <a class="header-anchor" href="#demo-for-reference-of-md-or-image-for-relative-path">#</a></h1>
<p>if you want to reference to another md, the path can be written in the format of relative path under the circumstance of file system.
click here： <a href="./demo1.md">demo1.md</a>。</p>
<p>the same is to image.
<img src="./img/brhtqqzh.jpeg" alt=""></p>
<h1 id="demo-for-math-typesetting%EF%BC%88katex%EF%BC%89">demo for math typesetting（katex） <a class="header-anchor" href="#demo-for-math-typesetting%EF%BC%88katex%EF%BC%89">#</a></h1>
<p><span class="katex"><span class="katex-mathml"><math><semantics><mrow><mi>E</mi><mo>=</mo><mi>m</mi><msup><mi>c</mi><mn>2</mn></msup></mrow><annotation encoding="application/x-tex">E = mc^2</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="strut" style="height:0.8141079999999999em;"></span><span class="strut bottom" style="height:0.8141079999999999em;vertical-align:0em;"></span><span class="base textstyle uncramped"><span class="mord mathit" style="margin-right:0.05764em;">E</span><span class="mrel">=</span><span class="mord mathit">m</span><span class="mord"><span class="mord mathit">c</span><span class="vlist"><span style="top:-0.363em;margin-right:0.05em;"><span class="fontsize-ensurer reset-size5 size5"><span style="font-size:0em;">​</span></span><span class="reset-textstyle scriptstyle uncramped"><span class="mord mathrm">2</span></span></span><span class="baseline-fix"><span class="fontsize-ensurer reset-size5 size5"><span style="font-size:0em;">​</span></span>​</span></span></span></span></span></span></p>
<p><span class="katex-display"><span class="katex"><span class="katex-mathml"><math><semantics><mrow><mi>x</mi><mo>=</mo><msubsup><mi>a</mi><mrow><mn>1</mn></mrow><mi>n</mi></msubsup><mo>+</mo><msubsup><mi>a</mi><mrow><mn>2</mn></mrow><mi>n</mi></msubsup><mo>+</mo><msubsup><mi>a</mi><mrow><mn>3</mn></mrow><mi>n</mi></msubsup></mrow><annotation encoding="application/x-tex">x = a_{1}^n + a_{2}^n + a_{3}^n
</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="strut" style="height:0.7143919999999999em;"></span><span class="strut bottom" style="height:0.9613919999999999em;vertical-align:-0.247em;"></span><span class="base displaystyle textstyle uncramped"><span class="mord mathit">x</span><span class="mrel">=</span><span class="mord"><span class="mord mathit">a</span><span class="vlist"><span style="top:0.247em;margin-left:0em;margin-right:0.05em;"><span class="fontsize-ensurer reset-size5 size5"><span style="font-size:0em;">​</span></span><span class="reset-textstyle scriptstyle cramped"><span class="mord scriptstyle cramped"><span class="mord mathrm">1</span></span></span></span><span style="top:-0.4129999999999999em;margin-right:0.05em;"><span class="fontsize-ensurer reset-size5 size5"><span style="font-size:0em;">​</span></span><span class="reset-textstyle scriptstyle uncramped"><span class="mord mathit">n</span></span></span><span class="baseline-fix"><span class="fontsize-ensurer reset-size5 size5"><span style="font-size:0em;">​</span></span>​</span></span></span><span class="mbin">+</span><span class="mord"><span class="mord mathit">a</span><span class="vlist"><span style="top:0.247em;margin-left:0em;margin-right:0.05em;"><span class="fontsize-ensurer reset-size5 size5"><span style="font-size:0em;">​</span></span><span class="reset-textstyle scriptstyle cramped"><span class="mord scriptstyle cramped"><span class="mord mathrm">2</span></span></span></span><span style="top:-0.4129999999999999em;margin-right:0.05em;"><span class="fontsize-ensurer reset-size5 size5"><span style="font-size:0em;">​</span></span><span class="reset-textstyle scriptstyle uncramped"><span class="mord mathit">n</span></span></span><span class="baseline-fix"><span class="fontsize-ensurer reset-size5 size5"><span style="font-size:0em;">​</span></span>​</span></span></span><span class="mbin">+</span><span class="mord"><span class="mord mathit">a</span><span class="vlist"><span style="top:0.247em;margin-left:0em;margin-right:0.05em;"><span class="fontsize-ensurer reset-size5 size5"><span style="font-size:0em;">​</span></span><span class="reset-textstyle scriptstyle cramped"><span class="mord scriptstyle cramped"><span class="mord mathrm">3</span></span></span></span><span style="top:-0.4129999999999999em;margin-right:0.05em;"><span class="fontsize-ensurer reset-size5 size5"><span style="font-size:0em;">​</span></span><span class="reset-textstyle scriptstyle uncramped"><span class="mord mathit">n</span></span></span><span class="baseline-fix"><span class="fontsize-ensurer reset-size5 size5"><span style="font-size:0em;">​</span></span>​</span></span></span></span></span></span></span></p>
<p><span class="katex-display"><span class="katex"><span class="katex-mathml"><math><semantics><mrow><mroot><mrow><mi>X</mi></mrow><mrow><mn>3</mn></mrow></mroot></mrow><annotation encoding="application/x-tex">\sqrt[3]{X}
</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="strut" style="height:0.9755400000000001em;"></span><span class="strut bottom" style="height:1.04em;vertical-align:-0.06446000000000002em;"></span><span class="base displaystyle textstyle uncramped"><span class="sqrt mord"><span class="root"><span class="vlist"><span style="top:-0.546648em;"><span class="fontsize-ensurer reset-size5 size5"><span style="font-size:0em;">​</span></span><span class="reset-textstyle scriptscriptstyle uncramped"><span class="mord scriptscriptstyle uncramped"><span class="mord mathrm">3</span></span></span></span><span class="baseline-fix"><span class="fontsize-ensurer reset-size5 size5"><span style="font-size:0em;">​</span></span>​</span></span></span><span class="sqrt-sign" style="top:-0.13554em;"><span class="style-wrap reset-textstyle textstyle uncramped">√</span></span><span class="vlist"><span style="top:0em;"><span class="fontsize-ensurer reset-size5 size5"><span style="font-size:1em;">​</span></span><span class="mord displaystyle textstyle cramped"><span class="mord mathit" style="margin-right:0.07847em;">X</span></span></span><span style="top:-0.89554em;"><span class="fontsize-ensurer reset-size5 size5"><span style="font-size:1em;">​</span></span><span class="reset-textstyle textstyle uncramped sqrt-line"></span></span><span class="baseline-fix"><span class="fontsize-ensurer reset-size5 size5"><span style="font-size:1em;">​</span></span>​</span></span></span></span></span></span></span></p>
<p><span class="katex-display"><span class="katex"><span class="katex-mathml"><math><semantics><mrow><msqrt><mrow><mn>5</mn><mo>−</mo><mi>x</mi></mrow></msqrt></mrow><annotation encoding="application/x-tex">\sqrt{5 - x}
</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="strut" style="height:0.9144300000000001em;"></span><span class="strut bottom" style="height:1.04em;vertical-align:-0.12557000000000001em;"></span><span class="base displaystyle textstyle uncramped"><span class="sqrt mord"><span class="sqrt-sign" style="top:-0.07443em;"><span class="style-wrap reset-textstyle textstyle uncramped">√</span></span><span class="vlist"><span style="top:0em;"><span class="fontsize-ensurer reset-size5 size5"><span style="font-size:1em;">​</span></span><span class="mord displaystyle textstyle cramped"><span class="mord mathrm">5</span><span class="mbin">−</span><span class="mord mathit">x</span></span></span><span style="top:-0.83443em;"><span class="fontsize-ensurer reset-size5 size5"><span style="font-size:1em;">​</span></span><span class="reset-textstyle textstyle uncramped sqrt-line"></span></span><span class="baseline-fix"><span class="fontsize-ensurer reset-size5 size5"><span style="font-size:1em;">​</span></span>​</span></span></span></span></span></span></span></p>
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